521g.com
HTML metadata
Technology
- Server
- openresty
Third-party hosts loaded (4)
- game-img.mojuedu.com×125
- img-i.8beier.cn×112
- img-i.mojuedu.com×37
- img-i.qqus.cn×7
Registration
- Registrar
- 22net, Inc.
- Created
- 2004-11-09
- Expires
- 2027-11-09 538 days left
- Updated
- 2026-05-12
- Name servers
-
- canna.dnspod.net
- nickel.dnspod.net
DNS records live
- NS
-
- canna.dnspod.net
- nickel.dnspod.net
- MX
-
- 0 mxbiz1.qq.com
- 0 mxbiz2.qq.com
- CNAME
-
- 521g.com.0c226cce.cdnhwcpsd13.com
Email authentication weak
- SPF
- not published
- DMARC
- not published
- DKIM
- no key found at common selectors
Certificate (current)
sslTrus (RSA) DV CA
Expires in 32 days
HTTP security headers
- present
-
- strict-transport-security
- findings
-
- short HSTS max-age
- missing Content Security Policy
- missing frame protection
- missing content type protection
- missing Referrer Policy
- missing Permissions Policy
Header values
- strict-transport-security
max-age=5184000